how can we make long face look round and attractive with make up?

Answers

what you can is to focus on her best features, like her eyes or lips.
As for a hairstyle keep the volume in top minimal and a sweeping fringe/bangs should make her face look shorter.
here's a simple and pretty bridal makeup look:
http://www.youtube.com/watch?v=qvwRO8xY2-c

and some ideas for the hairstyle:
http://www.youtube.com/watch?v=9GrLH5Gw_kQ
http://www.youtube.com/watch?v=fKUZLRX10HE